<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <!-- <meta http-equiv="X-UA-Compatible" content="IE=edge"> -->
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <title>react</title>
</head>

<body>
    <!-- 准备好一个容器 -->
    <div class="test"></div>

    <!-- js按顺序引入 -->
    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>

    <!-- 引入react-dom,用于操作dom -->
    <script type="text/javascript" src="../js/react-dom.development.js"></script>

    <!-- 引入babel,用于将jsx转为js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <script type="text/babel">
        let data = ['react','js','css']
        // 1.创建虚拟Dom
      const VDOM = (
        <div>
            <h1>前端知识</h1>
            <ul>
                {
                    data.map((item,index)=>{
                        return  <li key={index}>{item}</li>
                    })
                }
              
                </ul>
            </div>
      );
      // 2.渲染虚拟Dom
      ReactDOM.render(VDOM, document.querySelector(".test"));

    
    </script>
</body>
<style>

</style>

</html>